Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-12-2024 06:10

General

  • Target

    f2a74fb66c517e5fb31e24b4e822d78c_JaffaCakes118.exe

  • Size

    651KB

  • MD5

    f2a74fb66c517e5fb31e24b4e822d78c

  • SHA1

    50f7078d820c886f6ab5e2231c66047de348d830

  • SHA256

    c01d78e463f71aa0c21d757d7d59a61bcb73bb95485b2bf6e43a3295b3e11418

  • SHA512

    76dae21d9ca370259d19236ba85a73840ccd519ad11ae6c9aee486d0ca812cfee37b404de0f06876b6e4849e31f02f8df0216b01fe0cba8b33dd0b47e240a1df

  • SSDEEP

    12288:kpyZT1vrCxu/mDwLRI6BxcDqp9aqCcajVuD3Z7BPQGMWYur0s0D:kUx1vjOD3SxcDDcNDqWYurL0

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Modiloader family
  • ModiLoader Second Stage 11 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 11 IoCs
  • Loads dropped DLL 14 IoCs
  • Adds Run key to start application 2 TTPs 52 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • UPX packed file 20 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\csrss.exe
    %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
    1⤵
    • Executes dropped EXE
    • Drops desktop.ini file(s)
    • Suspicious use of UnmapMainImage
    PID:332
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:848
  • C:\Users\Admin\AppData\Local\Temp\f2a74fb66c517e5fb31e24b4e822d78c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f2a74fb66c517e5fb31e24b4e822d78c_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Users\Admin\AppData\Local\Temp\f2a74fb66c517e5fb31e24b4e822d78c_JaffaCakes118.exe
      f2a74fb66c517e5fb31e24b4e822d78c_JaffaCakes118.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2972
      • C:\Users\Admin\dHY4IvP3.exe
        C:\Users\Admin\dHY4IvP3.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:320
        • C:\Users\Admin\nueukuk.exe
          "C:\Users\Admin\nueukuk.exe"
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:2588
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del dHY4IvP3.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2560
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:528
      • C:\Users\Admin\azhost.exe
        C:\Users\Admin\azhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2068
        • C:\Users\Admin\azhost.exe
          azhost.exe
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:1964
      • C:\Users\Admin\bzhost.exe
        C:\Users\Admin\bzhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2204
        • C:\Users\Admin\bzhost.exe
          bzhost.exe
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:2896
      • C:\Users\Admin\czhost.exe
        C:\Users\Admin\czhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2808
        • C:\Users\Admin\czhost.exe
          czhost.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:2824
      • C:\Users\Admin\dzhost.exe
        C:\Users\Admin\dzhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:588
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1844
      • C:\Users\Admin\ezhost.exe
        C:\Users\Admin\ezhost.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1240
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del f2a74fb66c517e5fb31e24b4e822d78c_JaffaCakes118.exe
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:2448
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\system32\consrv.dll

    Filesize

    53KB

    MD5

    63e99b675a1337db6d8430195ea3efd2

    SHA1

    1baead2bf8f433dc82f9b2c03fd65ce697a92155

    SHA256

    6616179477849205eb4075b75a042056d196f45d67f78929dbb3317a35ccbea9

    SHA512

    f5b986eafa38dbc9ad7759784ac887ecbb9c8d8009a3f33e91b9c9ceeaf043ed3e4ddab8e6b6b77e54aed9fcecab02442c8ff253f2136ea06996d05ddd68199f

  • \??\globalroot\systemroot\assembly\temp\@

    Filesize

    2KB

    MD5

    56769c5396b5b16b4ffc489711e3c6df

    SHA1

    0da480f8b92c1f956b831a4e95a729fcc212b221

    SHA256

    5e8eb46179db588539a3e97c8c1229e8462acde2d0ae046b38e258c78b51c64d

    SHA512

    beeea4f596346e293bc7462a54a9a938bd102aae578bfdb60db67b6c2d6d589d796807ef97e5c3ab732d0b7217b1b76dcc3fd1e85ea38eb53d10abb14a896098

  • \Users\Admin\azhost.exe

    Filesize

    248KB

    MD5

    27ef898ce7ec9c0b79a6996a0b419de1

    SHA1

    4e8aed756fbc6133af13028c33366d2eaa43f954

    SHA256

    f08df8dd8e3fe3de4a1ba4ba3bd355a233cf7febd5917b982ec5a949726c36a6

    SHA512

    5c7fa67e7ed1e8ce238e58f0b55618d1fc13af4e19d9267f6e88e277beb2f10e6c0f0027a532a2d1d4b6e40da1b31dfcacf50ccb71a75dc231ff876869b6787a

  • \Users\Admin\bzhost.exe

    Filesize

    138KB

    MD5

    4e22775699416e81275fea3266e14bba

    SHA1

    32cc2479a30abd1b40b3b7e959ac32317fa124fd

    SHA256

    95dc812e94d5ba0842af45685ca7262b55607336fcf4becda83dbb6416beffa9

    SHA512

    34b13e9142a9c4251c78d876f02f9e86f22253950d3f9126dacd8ec6f0f3bbd36146381ce16b130d794c4bbc1ba08aa4df8e2e7af0c3900035d486242c81e3bf

  • \Users\Admin\czhost.exe

    Filesize

    96KB

    MD5

    fb7e8882346223dfbad778b5a7f74f32

    SHA1

    8285032fbab2f9f52533657d46df457ab64d0e15

    SHA256

    6d6fa60b26cd2fc87c94afb20e7f3b35d6eca76d5a46191b8df802d30d4cbc3e

    SHA512

    31e3963dd156da4a57b3ffd37b857ee1d433c61dc22eb56356f2171b282f3735a1c31d65b3a0b431151b55bfebf964f82c5aa13a12f1c2a8a580840a7ea5da32

  • \Users\Admin\dHY4IvP3.exe

    Filesize

    288KB

    MD5

    e2a16fca33158332dbb3c66021fe8e3b

    SHA1

    9b784a05bf73e0bffbc2d6afe9acb4ca9d44a355

    SHA256

    17b36341825621fdf4a959b52c510dbf1295e89d380499b2d02a87d76ed68a82

    SHA512

    6ec42b9cbd79a0835abdb2e7e4484d143bea726d9d17929482d1efb16590d895bcbe24e7957dcfc26f093f7a6d1dc07644c649d5918227f101a2515dddb86550

  • \Users\Admin\dzhost.exe

    Filesize

    221KB

    MD5

    5b414fb77d0dbec97ee529ec0bbcbeaf

    SHA1

    359cd24cd341f75eb46b99375824f6b649443f8e

    SHA256

    62027b13d4918e5e644952c977960a5e6dfe241e2bb35b387de0bfd0b752e882

    SHA512

    887b1b93e51d21927ffba49536f281003eef1dbee7634a08cab256f07701d54fe755acab7ae4a513c754067e4144c44c3580689ce187fd584ba440ab748a2360

  • \Users\Admin\ezhost.exe

    Filesize

    28KB

    MD5

    46ede15ce82c221c24bf81b2de1be7e8

    SHA1

    c332a5ec7aeb213c13449626156f6623351a4393

    SHA256

    a360c27de3799bf85f2501d4b375744394643fd50f8ecf5241d170b5cb7f6782

    SHA512

    517f497a4783a0f67ccfca641d93b7f20505c89d6252229f5b97df674f7be20ae48d4732c137ba081c2c1f8ec712371fa4ba4602873e11c0e02b109a00b6c316

  • \Users\Admin\nueukuk.exe

    Filesize

    288KB

    MD5

    93da49612c9f0f058026c3341be45587

    SHA1

    da9301228bed43bb1196f870509ef916ce20db0f

    SHA256

    1a70b3375e54e4a60d69c7994baac6c245529485d4577f8753e3ca55511352a7

    SHA512

    55f339fea7937da6d45ee0b5ffffa7401710e463b7b2383d85c43ae62e07fc3a2f10472991f41caffcefed30b58ebf3172dcbea3f77a47a8322d5976d6576c92

  • memory/588-131-0x00000000003A0000-0x00000000003E5000-memory.dmp

    Filesize

    276KB

  • memory/588-154-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/1964-52-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/1964-70-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/1964-66-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/1964-62-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/1964-59-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/1964-56-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/1964-54-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2068-67-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2180-10-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2204-90-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2808-115-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2824-105-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2824-107-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2824-109-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2824-118-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2824-119-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2824-121-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2824-113-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2896-81-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2896-95-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2896-96-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2896-167-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2896-83-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2896-85-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2896-89-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2972-6-0x0000000000400000-0x0000000000507000-memory.dmp

    Filesize

    1.0MB

  • memory/2972-0-0x0000000000400000-0x0000000000507000-memory.dmp

    Filesize

    1.0MB

  • memory/2972-2-0x0000000000400000-0x0000000000507000-memory.dmp

    Filesize

    1.0MB

  • memory/2972-130-0x00000000002B0000-0x0000000000314000-memory.dmp

    Filesize

    400KB

  • memory/2972-124-0x00000000002B0000-0x0000000000314000-memory.dmp

    Filesize

    400KB

  • memory/2972-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2972-13-0x0000000000400000-0x0000000000507000-memory.dmp

    Filesize

    1.0MB

  • memory/2972-15-0x0000000000400000-0x0000000000507000-memory.dmp

    Filesize

    1.0MB

  • memory/2972-12-0x0000000000400000-0x0000000000507000-memory.dmp

    Filesize

    1.0MB

  • memory/2972-78-0x0000000000400000-0x0000000000507000-memory.dmp

    Filesize

    1.0MB

  • memory/2972-190-0x0000000000400000-0x0000000000507000-memory.dmp

    Filesize

    1.0MB

  • memory/2972-4-0x0000000000400000-0x0000000000507000-memory.dmp

    Filesize

    1.0MB